Home / 18,439.61-25,448.90-10,482.57

Finding the Fourth Proportional to 18,439.61, 25,448.90 and 10,482.57

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Solution

The fourth proportional to 18,439.61, 25,448.90 and 10,482.57 is: 14,467.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.61 : 25,448.90 = 10,482.57 : x
  2. Step 2: Convert to fraction form
    18,439.61/25,448.90 = 10,482.57/x
  3. Step 3: Cross multiply
    18,439.61x = 25,448.90 × 10,482.57
  4. Step 4: Simplify right side
    18,439.61x = 266,769,823.26
  5. Step 5: Solve for x
    x = 266,769,823.26/18,439.61
  6. Step 6: Final answer
    x = 14,467.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.